Privacy Policy
Last Updated: November 18, 2025
1. Introduction
Welcome to Subnet Calculate. We are committed to protecting your privacy and ensuring transparency about how we handle information. This Privacy Policy explains our practices regarding data collection, use, and protection when you use our subnet calculator tool.
2. Information We Collect
2.1 Information You Provide
Our subnet calculator is a client-side application that performs all calculations directly in your web browser. We do not collect, store, or transmit any IP addresses or subnet information you enter into the calculator.
2.2 Automatically Collected Information
When you visit our website, we may automatically collect certain information, including:
- Browser type and version
- Operating system
- Referring website addresses
- Pages visited and time spent on pages
- General location information (country/region level only)
2.3 Cookies and Tracking Technologies
We may use cookies and similar tracking technologies to enhance your experience. These may include:
- Essential Cookies: Required for the website to function properly
- Analytics Cookies: Help us understand how visitors use our website
- Advertising Cookies: May be used by third-party advertisers to show relevant ads
3. How We Use Your Information
We use the collected information for the following purposes:
- To provide and maintain our subnet calculator service
- To improve and optimize our website performance
- To analyze usage patterns and trends
- To detect and prevent technical issues
- To comply with legal obligations
4. Third-Party Services
4.1 Analytics Services
We may use third-party analytics services to help us understand how our website is used. These services may collect information about your use of our website and other websites.
4.2 Advertising Partners
We may display advertisements from third-party advertising networks. These advertisers may use cookies and other tracking technologies to collect information about your visits to this and other websites to provide advertisements about goods and services of interest to you.
5. Data Security
We implement appropriate technical and organizational measures to protect the information we collect. However, please note that no method of transmission over the Internet or electronic storage is 100% secure.
6. Your Rights and Choices
Depending on your location, you may have certain rights regarding your personal information, including:
- The right to access your personal information
- The right to correct inaccurate information
- The right to request deletion of your information
- The right to object to or restrict certain processing
- The right to data portability
- The right to opt-out of marketing communications
7. Children's Privacy
Our service is not directed to children under the age of 13. We do not knowingly collect personal information from children under 13. If you are a parent or guardian and believe your child has provided us with personal information, please contact us.
8. International Data Transfers
Your information may be transferred to and processed in countries other than your country of residence. These countries may have different data protection laws. By using our service, you consent to such transfers.
9. Changes to This Privacy Policy
We may update this Privacy Policy from time to time. We will notify you of any changes by posting the new Privacy Policy on this page and updating the "Last Updated" date. We encourage you to review this Privacy Policy periodically.
10. Contact Us
If you have any questions about this Privacy Policy or our privacy practices, please contact us through our website.
11. GDPR Compliance (EU Users)
If you are located in the European Economic Area (EEA), you have certain data protection rights under the General Data Protection Regulation (GDPR). We are committed to complying with GDPR requirements and protecting your rights.
12. CCPA Compliance (California Users)
If you are a California resident, you have specific rights under the California Consumer Privacy Act (CCPA), including the right to know what personal information we collect and the right to request deletion of your information.